Short answer

Designers and engineers can leverage tunable ink formulations and additive manufacturing to create next-generation battery components with improved performance and potentially lower production costs.

Field: Commercial Production
Source: Advanced Functional Materials (2019)
Method: Experimental research and materials science
Evidence: Strong effect

Formulating hexagonal boron nitride (hBN) nanosheet inks with tunable viscosity allows for their application in various additive manufacturing techniques, leading to printable battery separators with superior ionic conductivity and electrochemical performance compared to conventional options. This commercial production research insight is drawn from a 2019 study published in Advanced Functional Materials. Using Experimental research and materials science, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Designers and engineers can leverage tunable ink formulations and additive manufacturing to create next-generation battery components with improved performance and potentially lower production costs.

Study

Commercial ProductionHigh ImpactStrong effect

Viscosity-Tunable hBN Nanosheet Inks Enable High-Performance Printable Battery Separators

Advanced Functional Materials · 2019

Key Findings

01Viscosity-tunable hBN nanosheet inks were successfully formulated for various additive manufacturing methods.
02Thermal annealing of printed hBN films resulted in porous structures with enhanced wettability to battery electrolytes.
03Printed hBN separators exhibited high ionic conductivity, chemical and thermal stability, and were electrically insulating.
04Lithium-ion battery cells using printed hBN separators showed enhanced electrochemical performance exceeding commercial polymer separators.

Application

Design takeaway

Designers and engineers can leverage tunable ink formulations and additive manufacturing to create next-generation battery components with improved performance and potentially lower production costs.

How to apply

Explore the use of nanoparticle inks with tunable viscosity for fabricating components in other electronic or electrochemical devices, such as sensors, supercapacitors, or flexible electronics.

Project actions

01Investigate the relationship between particle size, shape, and concentration on ink viscosity.
02Consider the environmental impact of solvents and polymers used in ink formulations.

Method & Evidence

AimCan hexagonal boron nitride (hBN) nanosheet inks be formulated with tunable viscosity for additive manufacturing, and do these printed components exhibit enhanced performance in energy storage applications?

MethodExperimental research and materials science

ProcedurehBN nanosheets were produced via liquid-phase exfoliation using ethyl cellulose as a dispersant and stabilizer. The rheological properties of the resulting inks were tuned to be compatible with different printing techniques. Printed hBN films were thermally annealed to remove the polymer and create a porous structure with a carbonaceous coating. The ionic conductivity, electrochemical performance, and stability of these printed separators were evaluated in lithium-ion battery cells.

ContextMaterials science and additive manufacturing for energy storage devices

Variables

IV["Ink formulation (e.g., concentration of hBN, type of dispersant/stabilizer)","Printing method","Thermal annealing conditions"]

DV["Ink viscosity","Ionic conductivity of printed films","Electrochemical performance of battery cells","Wettability of printed films"]

CV["Type of hBN nanosheets","Electrolyte composition","Battery cell design"]

Strengths & Limitations

Strengths

+Demonstrates a novel approach to fabricating advanced battery components using additive manufacturing.
+Provides quantitative data on the performance improvements achieved with the new separators.

Limitations

The cost of specialized nanomaterials and the complexity of scaling up liquid-phase exfoliation processes can be significant challenges.

Reliability & validity

The study's validity is supported by the direct comparison of printed separators against commercial ones and the detailed characterization of material properties. Reliability could be enhanced by repeating the printing and testing procedures multiple times to assess variability.

Think critically

What are the trade-offs between the enhanced performance of printed hBN separators and the potential costs and complexities associated with their production at scale?

Design Principles

"Material rheology and post-processing are key levers for optimizing the performance of additively manufactured functional components."

This research demonstrates a pathway to create advanced materials for energy storage through scalable manufacturing processes. The ability to tune ink properties for different printing methods opens up possibilities for cost-effective, high-performance battery component production.

What This Means for Your Design

Scientists made special 'inks' from tiny flat particles (hBN nanosheets) that can be printed like ink. They made these inks thick or thin so they could be used with different printers. When printed and heated, these materials made better separators for batteries, making the batteries perform better than those with regular plastic separators.

How to use in your project

1.Use this research to justify the selection of specific materials and manufacturing processes for a design project involving energy storage or functional coatings.
2.Cite this paper when discussing the benefits of using advanced nanomaterials in printable electronics.

Add to My Project

Quick Cite

Paragraph starter

The development of viscosity-tunable hexagonal boron nitride (hBN) nanosheet inks, as demonstrated by Moraes et al. (2019), offers a promising avenue for the additive manufacturing of high-performance battery separators. Their work highlights how controlling ink rheology enables compatibility with diverse printing techniques, leading to enhanced ionic conductivity and electrochemical performance compared to conventional materials, thereby informing the selection of advanced materials and scalable production methods for energy storage solutions.

Source

Advanced Functional Materials

Ion‐Conductive, Viscosity‐Tunable Hexagonal Boron Nitride Nanosheet Inks

journal · 2019

View source

Questions About This Research

What does the research say about viscosity-tunable hbn nanosheet inks enable high-performance printable battery separators?: Designers and engineers can leverage tunable ink formulations and additive manufacturing to create next-generation battery components with improved performance and potentially lower production costs. Evidence: Advanced Functional Materials (2019).
Why does "Viscosity-Tunable hBN Nanosheet Inks Enable High-Performance Printable Battery Separators" matter for design?: This research demonstrates a pathway to create advanced materials for energy storage through scalable manufacturing processes. The ability to tune ink properties for different printing methods opens up possibilities for cost-effective, high-performance battery component production.
How can designers apply this research?: Designers and engineers can leverage tunable ink formulations and additive manufacturing to create next-generation battery components with improved performance and potentially lower production costs.
What were the main findings?: Viscosity-tunable hBN nanosheet inks were successfully formulated for various additive manufacturing methods.. Thermal annealing of printed hBN films resulted in porous structures with enhanced wettability to battery electrolytes.. Printed hBN separators exhibited high ionic conductivity, chemical and thermal stability, and were electrically insulating.. Lithium-ion battery cells using printed hBN separators showed enhanced electrochemical performance exceeding commercial polymer separators.
What research method was used?: Experimental research and materials science.
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2019 journal from Advanced Functional Materials.
What should I do differently in my next project?: Explore the use of nanoparticle inks with tunable viscosity for fabricating components in other electronic or electrochemical devices, such as sensors, supercapacitors, or flexible electronics.
What are the limitations?: The long-term cycling stability and scalability of the manufacturing process require further investigation. The specific performance gains may vary depending on the battery chemistry and cell design.